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Table 1 Patients characteristics according to ERO

From: Relation of mitral valve morphology and motion to mitral regurgitation severity in patients with mitral valve prolapse

 

ERO < 20 mm

n = 18

ERO ≥ 20 mm

n = 20

P Value

Age (y)

41 ± 18

61 ± 14

< 0.001

Gender (male)

8/18 (44%)

12/20 (60%)

0.33

Systolic blood pressure (mmHg)

126 ± 19

133 ± 20

0.39

Diastolic blood pressure (mmHg)

79 ± 8

78 ± 9

0.9

Left ventricular end diastolic diameter (mm)

45 ± 4

49 ± 6

0.03

Left ventricular end systolic diameter (mm)

28 ± 5

29 ± 6

0.65

Posterior leaflet length (mm)

13.6 ± 3.6

18.4 ± 4.2

< 0.001

Left ventricular ejection fraction (%)

58 ± 7

60 ± 6

0.3

Diastolic thickness (mm)

5.3 ± 1.0

5.5 ± 0.9

0.57

Non Coaptation distance (mm)

2.0 ± 2.5

5.0 ± 1.6

< 0.001

Billowing area (cm 2 )

0.7 ± 0.4

1.0 ± 0.6

0.08

Prolapsing depth (mm)

5.5 ± 2.0

8.4 ± 3.8

0.007

ERO (mm 2 )

5 ± 7

45 ± 27

< 0.001

  1. ERO: effective regurgitant orifice